import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login'
import Home from '../components/Home'
import Welcome from '../components/Welcome'
import Users from '../components/user/Users'
import Rights from '../components/power/Rights'
import Roles from '../components/power/Roles'
import Cate from '../components/goods/Cate'
import Params from '../components/goods/Params'
import List from '../components/goods/List'
import Add from '../components/goods/Add'
import Order from '../components/order/Order'
import Report from '../components/report/Report'

Vue.use(VueRouter)
const routes = [
  {path: '/login',component: Login},
  {redirect: '/login',path: '/'},
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      {path: '/welcome', component: Welcome},
      {path: '/users', component: Users},
      {path: '/rights', component: Rights},
      {path: '/roles', component: Roles},
      {path: '/categories', component: Cate},
      {path: '/params', component: Params},
      {path: '/goods', component: List},
      {path: '/goods/add', component: Add},
      {path: '/orders', component: Order},
      {path: '/reports', component:Report}
    ]
  },
]

const router = new VueRouter({
  routes
})
// 再暴露之前设置路由导航守卫
router.beforeEach((to, from , next)=>{
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数， 表示放行
  // next() 放行 next('/login')  强制跳转
  if(to.path === '/login') return next()
  const tokenStr = window.sessionStorage.getItem('token')
  if(!tokenStr) return next('/login')
  next()
})

export default router
